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1 1 vote
1 1 answer
890
890 views
What are the types of Classification and regression algorithms in Machine learning ?
For example, Logistic regression is classification likewise what are the other types? I am a bit confused.
2 2 votes
1 answers 1 answer
20.9k
20.9k views
How to calculate k-means clustering with a numerical example?
Use the k-means algorithm and Euclidean distance to cluster the following 8 examples into 3 clusters:$A1=(2,10), A2=(2,5), A3=(8,4), A4=(5,8), A5=(7,5), A6=(6,4), A7=(1,2...
2 2 votes
1 answers 1 answer
4.9k
4.9k views
How to calculate the class probabilities and classify using Naive Bayes classifier for NLP?
We want to use Naive Bayes for tagging documents. It is a classification task that we want to assign a class (tag) to each string. We currently have two tags: Sport and N...
2 2 votes
1 answers 1 answer
20.4k
20.4k views
How to calculate Covariance Matrix and Principal Components for PCA?
The dataset with two features $(x,y)$ is shown as follows (note $y$ in this example is the second feature, not a target value):xy2.52.40.50.72.22.91.92.23.13.02.32.72.01....
5 5 votes
1 answers 1 answer
9.1k
9.1k views
How to calculate convolutions on a CONV layer for a Convolutional Neural Network?
Assume we have a $5\times5$ px RGB image with 3 channels respectively for R, G, and B. IfR2000012001201021210101020G0212211100002202002002111B0100111201102021011012112 We...
0 0 votes
1 1 answer
2.9k
2.9k views
What is the difference between cross-validation and validation set?
I am confused about this figure. Is not this a cross-validation test or we have a fixed few examples for which it is tested while you also have various folds being tested...
1 1 vote
0 0 answers
424
424 views
Using aggregate data to generate observation-level data statistically sound?
Context: In the realm of Paid Search Marketing. Current reporting does not provide event level data only aggregate totals with different segments. Want to compare distri...
1 1 vote
0 0 answers
834
834 views
What loss function to use in CNN-SVM model
I am using Matlab R2018b and am trying to infuse SVM classifier within CNN. My plan is to use CNN only as a feature extractor and use SVM as the classifier. I know people...
1 1 vote
1 1 answer
535
535 views
What are the available libraries for continuous time hidden markov models ?
0 0 votes
1 1 answer
709
709 views
What are some best features of Python3 in comparison to Python2?
Python3 and Python2 seems so similar, and the only changes which are obvious are some changes in functions such as print that now needs parentheses. Are there other impro...
1 1 vote
1 1 answer
564
564 views
What is the best approach for learning Web Development? Hands-On vs Theoretical?
0 0 votes
1 1 answer
1.8k
1.8k views
Could you please explain math symbols behind Machine Learning equations?
1 1 vote
1 1 answer
779
779 views
How do I Plot the linear classifier calculated with LIBLINEAR using sklearn?
Make a scatter plot where the x-axis is the height of the citizens and the y-axis is the weight of the citizens. The color of the points need to be different for males an...
1 1 vote
1 1 answer
641
641 views
What are the best resources you know for learning web programming?
1 1 vote
1 1 answer
593
593 views
is impossible predict hours time series to minutes time series?
https://stackoverflow.com/questions/55930051/is-impossible-predict-hours-time-series-to-minutes-time-series i want to this hours time series predict model to minute predi...
1 1 vote
0 0 answers
966
966 views
how can i convert LSTM model to linear regression model?
Here is LSTM predict model and i want to convert Linear Regression.... model.fit(x_train, y_train, epochs=10, batch_size=16) trainPredict = model.predict(x_train) testPre...
0 0 votes
1 1 answer
1.5k
1.5k views
How to convert equations in documents to LaTeX?
In Wikipedia, or any other document there are some math equations I am looking a simple way to convert to LaTeX. Is there any easy way for it?
0 0 votes
1 answers 1 answer
1.8k
1.8k views
How to calculate univariate linear regression?
For the following dataset, calculate the regression equation $\hat{y} = ax+b$datasetxy1423501075161002615036200
0 0 votes
1 1 answer
1.7k
1.7k views
How to reshape in pandas dataframe?
Dataframe looks like belowI have dataframe like above. which I want to a~t reshape (a~t, 1)I want to reshape dataframe like below ( b~t column is go to under the a column...
0 0 votes
1 1 answer
566
566 views
Is digital marketing and marketing internships worth it for a data science student?
it's about data science career
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